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Fig. 478. Oedogonium crassiusculum vy. arechavaletae (Wittr.) Hirn. 
GiNedr anil feeciip tunisia een Ree Corse ey wre dG sa eee 
Figs. 479 and 480. Oe. wolleanum Wittr. (Redrawn from Hirn)..............135 
Fig. 481. Oe. wolleanum v. concinnum Hirn. (Redrawn from Hirn)......... 135 
Figs. 482 and 483. Oe. wolleanum f. insigne (Nord.) Hirn. (Redrawn frcm 
STEAL isfith) betas). ee an ves WER, (oa) eee 136 


